Wireless Communication Method and Wireless Communication Terminal

1. A wireless communication terminal comprising: a transceiver; and a processor, wherein the processor is configured to: receive, by using the transceiver, a physical frame for a transmission of data to each of a plurality of wireless communication terminals comprising the wireless communication terminal from a base wireless terminal, obtain, from the physical frame, a signaling field which signals information on a resource allocation to the plurality of wireless communication terminals and comprises a first field which represents a different type of information according to a Multi User(MU) transmission method which is used in a sub-frequency band corresponding to the first field, wherein the sub-frequency band corresponding to the first field is one of a plurality of sub-frequency bands which are included in a frequency band through which the physical frame is transmitted, wherein the first field has the same size regardless of the MU transmission method, wherein the first field represents whether the sub-frequency band corresponding to the first field is not allocated for the transmission of data to any of the plurality of wireless communication terminals, when Orthogonal Frequency Division Multiple Access (OFDMA) is used for the transmission of data to the plurality of wireless communication terminals, determine, based on the first field, a sub-frequency band which is allocated to the wireless communication terminal, and obtain, based on the determination, the data corresponding to the wireless communication terminal through the sub-frequency band which is allocated to the wireless communication terminal.

2. The wireless communication terminal of claim 1 , wherein the signaling field has a variable length, wherein a length of the signaling field is represented by a number of orthogonal frequency division multiplexing (OFDM) symbol.

3. The wireless communication terminal of claim 1 , wherein the first field includes information on a number of spatial time streams to be transmitted to the wireless communication terminal.

4. The wireless communication terminal of claim 1 , wherein the signaling field comprises a second field indicating whether a non-contiguous sub-frequency band is allocated to at least one of the plurality of wireless communication terminals.

5. The wireless communication terminal of claim 1 , wherein the processor is configured to check the signaling field in units of a minimum unit frequency bandwidth when the physical frame is transmitted through a frequency band having a bandwidth equal to or greater than the minimum unit frequency bandwidth, wherein the minimum unit frequency bandwidth indicates a minimum bandwidth of a frequency band usable for transmitting the physical frame by the base terminal.

6. A base wireless communication terminal comprising: a transceiver; and a processor, wherein the processor is configured to: insert a signaling field which signals information on a resource allocation to a plurality of wireless communication terminals and comprises one or more first fields in a physical frame for transmission of data to each of the plurality of wireless communication terminals, wherein each of the one or more first fields represents a different type of information according to a Multi User(MU) transmission method which is used in a sub-frequency band corresponding to each of the one or more first fields, wherein the sub-frequency band corresponding to each of the one or more first fields is one of a plurality of sub-frequency bands which are included in a frequency band through which the physical frame is transmitted, wherein each of the one or more first fields has the same size regardless of the MU transmission method, when the base wireless terminal uses Orthogonal Frequency Division Multiple Access (OFDMA) for the data transmission to the plurality of wireless communication terminals, allocate a sub-frequency band to each of the plurality of wireless the plurality of wireless communication terminals and set a value of each of the one or more first fields based on the allocated sub-frequency band to each of the plurality of wireless the plurality of wireless communication terminals and whether the sub-frequency band corresponding to the first field is not allocated for the transmission of data to any of the plurality of wireless communication terminals, and transmit the data to the each of wireless communication terminal through the allocated sub-frequency band to each of the plurality of wireless communication terminals.

7. The base wireless communication terminal of claim 6 , wherein the signaling field has a variable length, wherein a length of the signaling field is represented by a number of orthogonal frequency division multiplexing (OFDM) symbol.

8. The base wireless communication terminal of claim 6 , wherein the first field includes information on a number of spatial time streams to be transmitted to the wireless communication terminal.

9. The base wireless communication terminal of claim 6 , wherein the signaling field comprises a second field indicating whether a non-contiguous sub-frequency band is allocated to at least one of the plurality of wireless communication terminals.

10. The base wireless communication terminal of claim 6 , wherein the processor is configured to, transmit the signaling field in units of a minimum unit frequency bandwidth when a physical frame is transmitted through a frequency band having a bandwidth equal to or greater than the minimum unit frequency bandwidth, wherein the minimum unit frequency bandwidth indicates a minimum bandwidth of a frequency band usable for transmitting the physical frame by the base terminal.

11. An operation method of a wireless communication terminal, the operation method comprising: receiving a physical frame for a transmission of data to each of a plurality of wireless communication terminals comprising the wireless communication terminal from a base wireless terminal, obtaining, from the physical frame, a signaling field which signals information on a resource allocation to the plurality of wireless communication terminals and comprises a first field which represents a different type of information according to a Multi User(MU) transmission method which is used in a sub-frequency band corresponding to the first field, wherein the sub-frequency band corresponding to the first field is one of a plurality of sub-frequency bands which are included in a frequency band through which the physical frame is transmitted, wherein the first field has the same size regardless of the MU transmission method, wherein the first field represents whether the sub-frequency band corresponding to the first field is not allocated for the transmission of data to any of the plurality of wireless communication terminals, from the physical frame, and when Orthogonal Frequency Division Multiple Access (OFDMA) is used for the transmission of data to the plurality of wireless communication terminals, determining, based on the first field, a sub-frequency band which is allocated to the wireless communication terminal, and obtaining, based on the determination, the data corresponding to the wireless communication terminal through the sub-frequency band which is allocated to the wireless communication terminal.

12. The method of claim 11 , wherein the signaling field has a variable length, wherein a length of the signaling field is represented by a number of orthogonal frequency division multiplexing (OFDM) symbol.

13. The method of claim 11 , wherein the first field includes information on a number of spatial time streams to be transmitted to the wireless communication terminal.

14. The method of claim 11 , wherein the signaling field comprises a second field indicating whether a non-contiguous sub-frequency band is allocated to at least one of the plurality of wireless communication terminals.

15. The method of claim 11 , wherein the obtaining the signaling field comprises checking the signaling field in units of a minimum unit frequency bandwidth when a physical frame is transmitted through a frequency band having a bandwidth equal to or greater than the minimum unit frequency bandwidth, wherein the minimum unit frequency bandwidth indicates a minimum bandwidth of a frequency band usable for transmitting the physical frame by the base terminal.